/*
* File : ShareResourceDirContentsImpl.java
* Created : 02-Jan-2004
* By : parg
*
* Azureus - a Java Bittorrent client
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.pluginsimpl.local.sharing;
/**
* @author parg
*
*/
import java.io.*;
import java.util.*;
import org.gudy.azureus2.plugins.sharing.*;
import org.gudy.azureus2.plugins.torrent.TorrentAttribute;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.core3.internat.*;
public class
ShareResourceDirContentsImpl
extends ShareResourceImpl
implements ShareResourceDirContents
{
private final File root;
private final boolean recursive;
private final byte[] personal_key;
protected ShareResource[] children = new ShareResource[0];
protected
ShareResourceDirContentsImpl(
ShareManagerImpl _manager,
File _dir,
boolean _recursive,
boolean _personal,
boolean _async_check )
throws ShareException
{
super( _manager, ST_DIR_CONTENTS );
root = _dir;
recursive = _recursive;
if ( !root.exists()){
throw( new ShareException( "Dir '" + root.getName() + "' not found"));
}
if ( root.isFile()){
throw( new ShareException( "Not a directory"));
}
personal_key = _personal?RandomUtils.nextSecureHash():null;
// new resource, trigger processing
if ( _async_check ){
new AEThread2( "SM:asyncCheck", true )
{
public void
run()
{
try{
checkConsistency();
}catch( Throwable e ){
Debug.out( "Failed to update consistency", e );
}
}
}.start();
}else{
checkConsistency();
}
}
protected
ShareResourceDirContentsImpl(
ShareManagerImpl _manager,
File _dir,
boolean _recursive,
Map _map )
throws ShareException
{
super( _manager, ST_DIR_CONTENTS, _map );
root = _dir;
recursive = _recursive;
// recovery - see comment below about not failing if dir doesn't exist...
if ( !root.exists()){
Debug.out( "Dir '" + root.getName() + "' not found");
// throw( new ShareException( "Dir '".concat(root.getName()).concat("' not found")));
}else{
if ( root.isFile()){
throw( new ShareException( "Not a directory"));
}
}
personal_key = (byte[])_map.get( "per_key" );
// deserialised resource, checkConsistency will be called later to trigger sub-share adding
}
public boolean
canBeDeleted()
throws ShareResourceDeletionVetoException
{
for (int i=0;i<children.length;i++){
if ( !children[i].canBeDeleted()){
return( false );
}
}
return( true );
}
protected void
checkConsistency()
throws ShareException
{
// ensure all shares are defined as per dir contents and recursion flag
List kids = checkConsistency(root);
if ( kids != null ){
children = new ShareResource[kids.size()];
kids.toArray( children );
}else{
children = new ShareResource[0];
}
}
protected List
checkConsistency(
File dir )
throws ShareException
{
List kids = new ArrayList();
File[] files = dir.listFiles();
if ( files == null || !dir.exists() ){
// dir has been deleted
// actually, this can be bad as some os errors (e.g. "too many open files") can cause the dir
// to appear to have been deleted. However, we don't want to delete the share. So let's just
// leave it around, manual delete required if deletion required.
if ( dir == root ){
return( null );
}else{
manager.delete( this, true );
}
}else{
for (int i=0;i<files.length;i++){
File file = files[i];
String file_name = file.getName();
if (!(file_name.equals(".") || file_name.equals(".." ))){
if ( file.isDirectory()){
if ( recursive ){
List child = checkConsistency( file );
kids.add( new shareNode( this, file, child ));
}else{
try{
ShareResource res = manager.getDir( file );
if ( res == null ){
res = manager.addDir( this, file, personal_key != null );
}
kids.add( res );
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}else{
try{
ShareResource res = manager.getFile( file );
if ( res == null ){
res = manager.addFile( this, file, personal_key != null );
}
kids.add( res );
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}
}
for (int i=0;i<kids.size();i++){
Object o = kids.get(i);
if ( o instanceof ShareResourceImpl ){
((ShareResourceImpl)o).setParent(this);
}else{
((shareNode)o).setParent(this);
}
}
}
return( kids );
}
protected void
deleteInternal()
{
for (int i=0;i<children.length;i++){
try{
if ( children[i] instanceof ShareResourceImpl ){
((ShareResourceImpl)children[i]).delete(true);
}else{
((shareNode)children[i]).delete(true);
}
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
}
protected void
serialiseResource(
Map map )
{
super.serialiseResource( map );
map.put( "type", new Long(getType()));
map.put( "recursive", new Long(recursive?1:0));
try{
map.put( "file", root.toString().getBytes( Constants.DEFAULT_ENCODING));
}catch( UnsupportedEncodingException e ){
Debug.printStackTrace( e );
}
if ( personal_key != null ){
map.put( "per_key", personal_key );
}
}
protected static ShareResourceImpl
deserialiseResource(
ShareManagerImpl manager,
Map map )
throws ShareException
{
try{
File root = new File(new String((byte[])map.get("file"), Constants.DEFAULT_ENCODING));
boolean recursive = ((Long)map.get("recursive")).longValue() == 1;
ShareResourceImpl res = new ShareResourceDirContentsImpl( manager, root, recursive, map );
return( res );
}catch( UnsupportedEncodingException e ){
throw( new ShareException( "internal error", e ));
}
}
public String
getName()
{
return( root.toString());
}
public File
getRoot()
{
return( root );
}
public boolean
isRecursive()
{
return( recursive );
}
public ShareResource[]
getChildren()
{
return( children );
}
protected class
shareNode
implements ShareResourceDirContents
{
protected ShareResourceDirContents node_parent;
protected File node;
protected ShareResource[] node_children;
protected
shareNode(
ShareResourceDirContents _parent,
File _node,
List kids )
{
node_parent = _parent;
node =_node;
node_children = new ShareResource[kids.size()];
kids.toArray( node_children );
for (int i=0;i<node_children.length;i++){
Object o = node_children[i];
if ( o instanceof ShareResourceImpl ){
((ShareResourceImpl)o).setParent( this );
}else{
((shareNode)o).setParent( this );
}
}
}
public ShareResourceDirContents
getParent()
{
return( node_parent );
}
protected void
setParent(
ShareResourceDirContents _parent )
{
node_parent = _parent;
}
public int
getType()
{
return( ShareResource.ST_DIR_CONTENTS );
}
public String
getName()
{
return( node.toString());
}
public void
setAttribute(
TorrentAttribute attribute,
String value )
{
for (int i=0;i<node_children.length;i++){
node_children[i].setAttribute( attribute, value );
}
}
public String
getAttribute(
TorrentAttribute attribute )
{
return( null );
}
public TorrentAttribute[]
getAttributes()
{
return( new TorrentAttribute[0]);
}
public void
delete()
throws ShareResourceDeletionVetoException
{
throw( new ShareResourceDeletionVetoException( MessageText.getString("plugin.sharing.remove.veto")));
}
public void
delete(
boolean force )
throws ShareException, ShareResourceDeletionVetoException
{
for (int i=0;i<node_children.length;i++){
Object o = node_children[i];
if ( o instanceof ShareResourceImpl ){
((ShareResourceImpl)o).delete(force);
}else{
((shareNode)o).delete(force);
}
}
}
public boolean
canBeDeleted()
throws ShareResourceDeletionVetoException
{
for (int i=0;i<node_children.length;i++){
node_children[i].canBeDeleted();
}
return( true );
}
public File
getRoot()
{
return( node );
}
public boolean
isRecursive()
{
return( recursive );
}
public ShareResource[]
getChildren()
{
return( node_children );
}
public void
addChangeListener(
ShareResourceListener l )
{
}
public void
removeChangeListener(
ShareResourceListener l )
{
}
public void
addDeletionListener(
ShareResourceWillBeDeletedListener l )
{
}
public void
removeDeletionListener(
ShareResourceWillBeDeletedListener l )
{
}
}
}